There's a buzz in the air and it crackles with energy. AC power that is. While power inverters have improved life on the road for drivers, they pose a potential predicament for fleet operators. Most fleet owners realize they can attract and retain drivers by allowing inverters on their trucks. At the same time, they realize that unauthorized or improper use of inverters can lead to potentially expensive electrical problems that can hurt the bottom line. Inverters convert stored energy from a truck's batteries into AC electrical power. They enable drivers to enjoy electrical conveniences such as laptop computers, entertainment systems and cooking appliances in the comfort of their cabs. Inverter/chargers have that same capability. But, they also can run the truck's power loads off "shore power" while charging the vehicles batteries. They can even run space heaters or AC-powered HVAC systems to reduce or eliminate idling. The benefits of driver comfort and idle reduction have sparked a surge in sales of inverters. Brian Lawrence, Xantrex's OEM account manager, says his company'…